linux-kernel - [PATCH v2 17/29] dt-bindings: nvmem: Add Realtek RTD1195 eFuse

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Message-Id: <20200623025106.31273-18-afaerber@suse.de>
Date:   Tue, 23 Jun 2020 04:50:54 +0200
From:   Andreas Färber <afaerber@...e.de>
To:     linux-realtek-soc@...ts.infradead.org
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        James Tai [戴志峰] 
        <james.tai@...ltek.com>,
        Stanley Chang [昌育德] 
        <stanley_chang@...ltek.com>, Edgar Lee <cylee12@...ltek.com>,
        Andreas Färber <afaerber@...e.de>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org
Subject: [PATCH v2 17/29] dt-bindings: nvmem: Add Realtek RTD1195 eFuse

Add a DT binding for eFuse on Realtek Digital Home Center SoCs.

Signed-off-by: Andreas Färber <afaerber@...e.de>
---
 v2: New
 
 .../bindings/nvmem/realtek,rtd1195-efuse.yaml | 53 +++++++++++++++++++
 MAINTAINERS                                   |  1 +
 2 files changed, 54 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/nvmem/realtek,rtd1195-efuse.yaml

diff --git a/Documentation/devicetree/bindings/nvmem/realtek,rtd1195-efuse.yaml b/Documentation/devicetree/bindings/nvmem/realtek,rtd1195-efuse.yaml
new file mode 100644
index 000000000000..a616cb22673e
--- /dev/null
+++ b/Documentation/devicetree/bindings/nvmem/realtek,rtd1195-efuse.yaml
@@ -0,0 +1,53 @@
+# SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/nvmem/realtek,rtd1195-efuse.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Realtek Digital Home Center eFuse
+
+maintainers:
+  - Andreas Färber <afaerber@...e.de>
+
+description: |
+  The Realtek DHC SoCs have an eFuse block with non-volatile OTP memory.
+
+allOf:
+  - $ref: "nvmem.yaml#"
+
+properties:
+  compatible:
+    const: realtek,rtd1195-efuse
+
+  reg:
+    maxItems: 1
+
+  "#address-cells":
+    const: 1
+
+  "#size-cells":
+    const: 1
+
+required:
+  - compatible
+  - reg
+
+examples:
+  - |
+    efuse@...17000 {
+        compatible = "realtek,rtd1195-efuse";
+        reg = <0x18017000 0x400>;
+    };
+  - |
+    efuse@...17000 {
+        compatible = "realtek,rtd1195-efuse";
+        reg = <0x98017000 0x400>;
+        #address-cells = <1>;
+        #size-cells = <1>;
+
+        efuse_package_id: package-id@1d8 {
+            reg = <0x1d8 0x1>;
+            bits = <0 2>;
+        };
+    };
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index ff0ee48fee6f..1d0d6ab20451 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2307,6 +2307,7 @@ L:	linux-arm-kernel@...ts.infradead.org (moderated for non-subscribers)
 L:	linux-realtek-soc@...ts.infradead.org (moderated for non-subscribers)
 S:	Maintained
 F:	Documentation/devicetree/bindings/arm/realtek.yaml
+F:	Documentation/devicetree/bindings/nvmem/realtek,rtd1195-efuse.yaml
 F:	Documentation/devicetree/bindings/soc/realtek/
 F:	arch/arm/boot/dts/rtd*
 F:	arch/arm/mach-realtek/
-- 
2.26.2